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NEWS NOTE 5 SUPPLEMENT Fall, 2009 This document is a technical supplement to the NEWS NOTE 5 regarding, Masonry Mortar & Cement: Masonry Mortar, Masonry Cement, Mortar Cement, Portland Cement, Prepackaged Mortar, Field Mixed Mortar, Type S Mortar, Type M Mortar, Type N Mortar, Type O Mortar, Sand Hydrated Lime, Lime Putty, Crushed Limestone, Type N Lime, Type NA Lime, Type S Lime, Type SA Lime, ARE YOU CONFUSED? Understanding where the masonry industry is today and how it arrived here may be one of the most overlooked and confusing aspects of any project. In the myriad of technical issues already confronting the modern design team the need to properly select products... NEWS NOTE 5 Fall, 2009 In this issue we have articles focusing on Lead Coated Copper, Defective Chinese Drywall Update, and EPA New Regulation on Painting Renovation... Lead-Coated Copper: Pure lead was once one of the most used metal roofing materials. It is one of the longest lasting metals known to man and has been used for thousands of years. Defective Chinese Drywall Update: Back in June we reported on the issues surrounding contaminated imported Chinese gypsum board. The defective board was installed in hundreds of thousands of homes, mostly in Florida after hurricane Katrina. Since our writing, the US District Court in Louisiana had consolidated 100,000 lawsuits into a single class-action... NEWS NOTE 4 SUPPLEMENT June, 2009 This document is an information supplement to the NewsNote 4, providing a partial list of manufacturers that produce wire glass and replacement products. Wire Glass Products Broken Down: Wire glass had been the flagship product for fire-resistance rated glazing for more than the last century. With increased public safety concerns and revisions in building codes, the applicable use of wire glass is heavily restricted. This age-old standard for glazing is becoming obsolete and is being replaced by new products. The following is a partial list of manufacturers producing wire glass and replacement products... NEWS NOTE 4 June, 2009 Wil-Spec is in its 19th year in business, since our founding. In this issue we have articles focusing on Wired Glass, Saying Goodbye to Alkyd Paints, and Defective Chinese Drywall. Wired Glass: In 1892, Frank Shuman patented a process of making wire glass that was commercially practical. His process involved a series of 4 rollers which laid hot wire... Saying Goodbye to Alkyd Paints: “Ozone Transport Commission” (OTC) effectively banned the use of alkyd paints in Massachusetts early this year, followed by a Rhode Island... Defective Chinese Drywall: Due to shortages of US manufactured drywall; starting in 2004 builders mostly in the southeast and southwest began using imported Drywall... NEWS NOTE 3 March, 2009 In this issue we have articles focusing on FSC certified wood, Mold in Construction, and Working with AIA A201… FSC Certified Wood: All operations, which make, change, trade, re-label or repackage FSC certified products must be part of the FSC Chainof Custody. Woodwork installers... Mold in Construction: Little is discussed regarding occurrence of mold in new construction. However mold presents a huge hidden health hazard, including Sick... Working with AIA A201: General and Supplementary Conditions, the basis for project contracts, are the most misunderstood and unknown documents to most Architects... NEWS NOTE 2 April, 2007 In this NewNote, we discuss Honduras Mahogany, LEEDS, CHPS and GGHC credits, and the "Product of the Day" - Solera Diffusion Glass… Mahogany: Not all Mahogany is alike. South American Mahogany is not the same as its cheaper version African Mahogany. The use of the name mahogany for timbers which... Green Building Certifications: When the words green design pop up on a project, we all think LEED (United States Green Building Council, Leadershipin Energy and Environmental... Solera Diffusion Glass: is an insulated glass with a ‘diffusing veil’ (a thing acrylic coated fiberglass) bonded to both the number 2 and 3 surfaces of insulating glass units... NEWS NOTE 1 February, 2006 In this NewsNote we cover Moisture Mitigation, Lead-Coated Copper, the big switch to the CSI 2004 Masterformat, and Green Construction… Moisture Mitigation: We see this as the Hottest of Issues in Construction Today. Moisture vapors arising from beneath and from within concrete slabs causing damage to flooring... Lead-Coated-Copper: Three big and bad words on many a school campus, today. We are seeing a continued trend to end lead-coated-copper as a building material. The subject... MasterFormat 2004: The Construction Specifications Institute (CSI) established the common 5 digit numbering system for specifications, filing product literature, estimating and more... Lynnfield Medical Office Building Post Office Square Lynnfield Massachusetts (T) 781-598-6789 (F) 781-598-8765 wil-spec.com